852001729 has 4 divisors (see below), whose sum is σ = 852582400. Its totient is φ = 851421060.

The previous prime is 852001721. The next prime is 852001739. The reversal of 852001729 is 927100258.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 852001729 - 2³ = 852001721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 852001694 and 852001703.

It is not an unprimeable number, because it can be changed into a prime (852001721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288129 + ... + 291070.

It is an arithmetic number, because the mean of its divisors is an integer number (213145600).

Almost surely, 2^852001729 is an apocalyptic number.

It is an amenable number.

852001729 is a deficient number, since it is larger than the sum of its proper divisors (580671).

852001729 is a wasteful number, since it uses less digits than its factorization.

852001729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580670.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 852001729 is about 29189.0686559198. The cubic root of 852001729 is about 948.0112519954.

The spelling of 852001729 in words is "eight hundred fifty-two million, one thousand, seven hundred twenty-nine".